Re: SIA, Contact ID, 4/2, 3/1

[Frank Olson <use_the_email_links@xxxxxxxxxxxxxxxxxxxxxx>]

Michael wrote:
> One thing I have thought about it is, that using the latest higher
> speed transmission format has it's own problem. How long does it take
> two modern modems to negotiate a connection? 5-10 seconds? It seems
> (from what I've noticed over the years), that the faster the overall
> transmission speed, the longer it takes to actually negotiate the
> connection and sync the signals. To transmit the CID, that two tone
> signal takes about a half second? By the time the latest protocol has
> been extablished, the older formats have finished sending their
> signal. There's not a tremendous amount of data needing to be sent (a
> few bits at most), so having to negotiate a high speed connection
> seems to me to be a waste of time. Of course, that's just MY opinion,
> I could be wrong


Yep...  You are.  If you think about the limitations of some of the
older formats...  Let's say on a 83 zone system...  I'd like to see you
dream up the zone communication scheme for that in 4/2.  :-)